What is a solution? a solid dissolved in a gas a solute and a solvent a liquid dissolved in a gas an amalgam of solids, liquids, and gases

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use

Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral